SISTER STUDY RESEARCH

Environmental Contributors to Breast Cancer

For more than 22 years, NIEHS investigators have worked to uncover the causes of breast cancer through the Sister Study. The study follows a group of people, called a cohort, over time to investigate the genetic and environmental factors that influence the disease. While there are other large, long-term cohort studies focused on risk factors for breast cancer, the Sister Study was the first designed specifically to study the role of environmental factors and to focus on women who had a family history of the disease.

Learn more here:
Sister Study Is Helping to Identify and Prevent Environmental Contributors to Breast Cancer

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